// import java.util.Scanner;
import java.io.*;

public class archivo {

	public static void main (String args[])throws IOException {
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		String str = in.readLine();

// 		Scanner entrada = new Scanner(System.in);
// 		int num = entrada.nextInt();
		System.out.println("hola mundo "+str);

	}
}